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A020051 a(n) = floor(Gamma(n+9/11)/Gamma(9/11)). 2

%I #13 Sep 08 2022 08:44:44

%S 1,0,1,4,16,77,448,3059,23919,210929,2070940,22403814,264772349,

%T 3393900115,46897528866,694936109571,10992625733214,184875978240420,

%U 3294153794102034,61989985034465559,1228528794319408360

%N a(n) = floor(Gamma(n+9/11)/Gamma(9/11)).

%H G. C. Greubel, <a href="/A020051/b020051.txt">Table of n, a(n) for n = 0..449</a>

%p Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end;

%p seq(floor(pochhammer(9/11,n)), n = 0..25); # _G. C. Greubel_, Nov 30 2019

%t Floor[Pochhammer[9/11, Range[0, 25]]] (* _G. C. Greubel_, Nov 30 2019 *)

%o (PARI) x=9/11; vector(26, n, gamma(n-1+x)\gamma(x) ) \\ _G. C. Greubel_, Nov 30 2019

%o (Magma) [Floor(Gamma(n+9/11)/Gamma(9/11)): n in [0..25]]; // _G. C. Greubel_, Nov 30 2019

%o (Sage) [floor(rising_factorial(9/11, n)) for n in (0..25)] # _G. C. Greubel_, Nov 30 2019

%Y Cf. A020006, A020096.

%K nonn

%O 0,4

%A _Simon Plouffe_

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)